A对于B，就像C对于D的短语

A对于B，就像C对于D的短语

A is to B what C is to D

A is to B,what C is to D

A is to B what C is to D

A is to B,what C is to D：
其中w hat用作连接代词。它既是前面is的表语,又是后面is的表语。“A is to B what C is to D”常译为“A之于B犹如C之于D”。
例如： A nest is to a bird what a house is to a man .鸟巢对于鸟儿就像房子对于人类。